Advanced Protective Products Rust Destroyer Oil Base Red Primer Spray, 13-Ounce Aerosol Rust destroyer spray will work on clean steel, rusty steel, zinc galvanized metal Also work on hot dip zinc galvanized metal, core tan steel, aluminum, tin Rust destroyer is a self etching primer that "bites" into the previously painted surface It is patented rust converting primer, apply directly over rust Available in 13-ounce container